magnetic storm

magnetic storm - a sudden disturbance of the earth's magnetic field; caused by emission of particles from the sun

disturbance, perturbation - activity that is a malfunction, intrusion, or interruption; "the term `distress' connotes some degree of perturbation and emotional upset"; "he looked around for the source of the disturbance"; "there was a disturbance of neural function"

One of the major goals of the project was to map how the Earth's magnetosphere interacted with the solar wind during a magnetic storm (an event like a coronal mass ejection would drive a magnetic storm).

Though our ancestors all had mythic explanations for the aurora, science can help us understand how a magnetic storm on the sun blows off plasma particles that race outwards and, a few days later, interact with the magnetic field of our planet.

In the [lead-up] to a trip home, I had been watching the aurora (borealis) forecast, and knew that there was supposed to be a G1 magnetic storm the night of my flight,' the report quoted Starznyski as saying.

Luhmann coauthored a recent study in Nature Communications that utilized observations from the Solar Terrestrial Relations Observatory (STEREO) A spacecraft to identify the giant 2012 storm in which a swift succession of at least two coronal mass ejections sent a magnetized cloud of plasma bursting through the solar wind at a maximum speed of more than 2,000 kilometers per second--four times faster than a typical magnetic storm.

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